prokaryotes - bacteria see Domain Bacteria Woese et al. 1990 Domain "Bacteria" Woese et al. 1990 Phylum "Cyanobacteria" (ex Stanier 1974) Cavalier-Smith 2002 - cyanobacteria Order Oscillatoriales Cavalier-Smith 2002 nom. rej. see Order Oscillatoriales Elenkin (1934) Genus Halospirulina Nübel et al. 2000 see Genus Spirulina P.J.F. Turpin ex M. Gomont (1892)